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CVE-2016-7053

Disclosure Date: November 10, 2016
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Description

In OpenSSL 1.1.0 before 1.1.0c, applications parsing invalid CMS structures can crash with a NULL pointer dereference. This is caused by a bug in the handling of the ASN.1 CHOICE type in OpenSSL 1.1.0 which can result in a NULL value being passed to the structure callback if an attempt is made to free certain invalid encodings. Only CHOICE structures using a callback which do not handle NULL value are affected.

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CVSS V3 Severity and Metrics
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Impact Score:
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Exploitability Score:
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Vector:
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Attack Vector (AV):
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Integrity (I):
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Availability (A):
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General Information

Vendors

  • openssl

Products

  • openssl 1.1.0,
  • openssl 1.1.0a,
  • openssl 1.1.0b

Additional Info

Technical Analysis